Can Plants Be Engineers?

When we think of engineers, making a machine, like car. Are there engineers for ecosystems? an organism can make big changes to its environment, call it ecosystem engineer. In aquatic ecosystems the San Francisco Estuary, underwater plants be important because they change water flow and clarity. plant called Brazilian waterweed, which was introduced by humans, is one most engineers. With leaves stems, this traps tiny particles floating in water, clearer. Clearer has made easier more grow these helped some non-native fish species increase number, while native declined. Introduction waterweed led entirely different ecosystem, also affected how people use take care Estuary.